{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30909", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-03-07T13:09:20.640Z", "datePublished": "2026-03-08T00:46:12.862Z", "dateUpdated": "2026-03-10T13:41:14.273Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Crypt-NaCl-Sodium", "product": "Crypt::NaCl::Sodium", "programFiles": ["Sodium.xs"], "repo": "https://github.com/cpan-authors/crypt-nacl-sodium", "vendor": "TIMLEGGE", "versions": [{"lessThanOrEqual": "2.002", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Brad Barden <perlmodules@5c30.org>"}], "descriptions": [{"lang": "en", "value": "Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows.\n\nbin2hex, encrypt, aes256gcm_encrypt_afternm and seal functions do not check that output size will be less than SIZE_MAX, which could lead to integer wraparound causing an undersized output buffer.\n\nEncountering this issue is unlikely as the message length would need to be very large.\n\nFor bin2hex() the bin_len would have to be > SIZE_MAX / 2 For encrypt() the msg_len would need to be > SIZE_MAX - 16U For aes256gcm_encrypt_afternm() the msg_len would need to be > SIZE_MAX - 16U For seal() the enc_len would need to be > SIZE_MAX - 64U"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-03-08T00:46:12.862Z"}, "references": [{"url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2116"}, {"url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2310"}, {"url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L3304"}, {"url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L942"}, {"tags": ["patch"], "url": "https://github.com/cpan-authors/crypt-nacl-sodium/pull/24.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.003/source/Changes"}], "solutions": [{"lang": "en", "value": "Upgrade to version 2.003"}], "source": {"discovery": "UNKNOWN"}, "title": "Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/03/08/1"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-03-08T04:33:14.855Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-03-10T13:40:18.499636Z", "id": "CVE-2026-30909", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-10T13:41:14.273Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:timlegge:crypt\\:\\:nacl\\:\\:sodium:*:*:*:*:*:perl:*:*", "matchCriteriaId": "B9E218A1-A8B3-4F9A-9B57-8B3290097292", "versionEndExcluding": "2.003", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows.\n\nbin2hex, encrypt, aes256gcm_encrypt_afternm and seal functions do not check that output size will be less than SIZE_MAX, which could lead to integer wraparound causing an undersized output buffer.\n\nEncountering this issue is unlikely as the message length would need to be very large.\n\nFor bin2hex() the bin_len would have to be > SIZE_MAX / 2 For encrypt() the msg_len would need to be > SIZE_MAX - 16U For aes256gcm_encrypt_afternm() the msg_len would need to be > SIZE_MAX - 16U For seal() the enc_len would need to be > SIZE_MAX - 64U"}, {"lang": "es", "value": "Las versiones de Crypt::NaCl::Sodium hasta la 2.002 para Perl tienen posibles desbordamientos de enteros.\n\nLas funciones bin2hex, encrypt, aes256gcm_encrypt_afternm y seal no verifican que el tama\u00f1o de salida sea menor que SIZE_MAX, lo que podr\u00eda llevar a un desbordamiento circular de enteros causando un b\u00fafer de salida de tama\u00f1o insuficiente.\n\nEs poco probable encontrar este problema, ya que la longitud del mensaje tendr\u00eda que ser muy grande.\n\nPara bin2hex() la longitud bin_len tendr\u00eda que ser &gt; SIZE_MAX / 2\nPara encrypt() la longitud msg_len tendr\u00eda que ser &gt; SIZE_MAX - 16U\nPara aes256gcm_encrypt_afternm() la longitud msg_len tendr\u00eda que ser &gt; SIZE_MAX - 16U\nPara seal() la longitud enc_len tendr\u00eda que ser &gt; SIZE_MAX - 64U"}], "id": "CVE-2026-30909", "lastModified": "2026-03-18T13:02:17.657", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-03-08T01:15:49.387", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Patch"], "url": "https://github.com/cpan-authors/crypt-nacl-sodium/pull/24.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Product"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2116"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Product"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2310"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Product"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L3304"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Product"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L942"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Release Notes"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.003/source/Changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/03/08/1"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.002]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Crypt::NaCl::Sodium", "source": "cna", "vendor": "TIMLEGGE"}, "product": "crypt::nacl::sodium", "vendor": "timlegge"}], "analysis": {"en": {"generated_at": "2026-04-16T10:43:27.443095+00:00", "value": {"mitigation_remediation": ["Upgrade Crypt::NaCl::Sodium to version 2.003 or later.", "Validate or cap input message lengths before invoking the vulnerable functions to ensure the size stays well below SIZE_MAX.", "Apply any Perl framework or application\u2011specific security controls that prevent malicious large inputs from reaching the library.", "Monitor logs for abnormal activity or crashes that could indicate exploitation attempts."], "summary": {"action": "Immediate Patch", "impact": "Potential for memory corruption leading to arbitrary code execution"}, "threat_synthesis": {"affected_systems": "PERL modules from TIMLEGGE:Crypt::NaCl::Sodium through version 2.002 are affected. This includes all distributions using Crypt::NaCl::Sodium 2.002 or earlier. Versions 2.003 and later contain the fix and are not vulnerable.", "description_and_impact": "The vulnerability originates in Crypt::NaCl::Sodium version 2.002 where functions bin2hex, encrypt, aes256gcm_encrypt_afternm and seal do not enforce that the output buffer size remains below the maximum representable value SIZE_MAX. As a result, when the input message length exceeds a very large threshold, the internal integer calculation wraps around, producing an undersized output buffer. This size mismatch can corrupt memory, potentially allowing an attacker to trigger a buffer overflow and execute arbitrary code. The weakness is classified as CWE\u2011190: Integer Overflow.", "risk_and_exploitability": "With a CVSS score of 9.8 the severity is high, but the EPSS score of less than 1\u202f% indicates that widespread exploitation is currently unlikely. The vulnerability is not listed in CISA\u2019s KEV catalog. Attacking requires creating a message whose length approaches the size limits of SIZE_MAX, which is impractical under normal circumstances. However, if an attacker can supply such an extreme payload, the potential for remote code execution exists. The importance of the issue remains high due to the severity rating."}}}}, "created": "2026-03-09T10:03:44.132513+00:00", "updated": "2026-04-16T10:45:26.016218+00:00", "vendors": ["timlegge", "timlegge$PRODUCT$crypt::nacl::sodium"]}